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Hydrogen peroxide decomposes to produce water and oxygen. Manganese dioxide is a catalyst for this reaction. Determine the mass of oxygen produced if 4.86 g of the peroxide decomposes.
How much energy is released during the complete combustion of 372 grams of cyclohexane ?
the formation of so3 from so2 and o2 is an intermediate step in themanufacture of sulfuric acid and it is also
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
At a certain temperature, Kc for the reaction, PCl5 = PCl3 + Cl2, is equal to 3.33. After 0.20 mole of PCl5 and 1.0 mole of PCl are introduced into a 2.00-L evacuated chamber, calculate the equilibrium concentration of PCl5
Which atom has the least attraction for the electrons in a bond between that atom and an atom of hydrogen?
Compute the change in temperature when 1.8 g of sodium chloride is dissolved in 300.0 mL of water initially at 20C. The heat capacity of water is 4.184 J/mL/K.
An aqueous solution of nitrous acid (HNO2) has a ?G= 19.1 kJ. What is the pH when [NO2-]=1.00 M, [HNO2]=1.00 M, and the ?G=0?
What mass of water (in g) would need to evaporate from your skin in order to dissipate 0.8 x 10 5 J of heat from your body?
80 micrograms of lead were detected in 5 L of drinking water. What is the concentration of lead in molarity (M)
how much heat is required to warm 215 g of ice from -44.1degc to 0.0degc melt the ice warm the water from 0.0degc to
if a man stands on a scale while totally submerged in water at 30 degrees c specific gravity.996 and the scale reads
Problem- After 75.0 min, 39.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
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